1ac4ca920976d8c3373c6f70bdd6aba5cb42a09a48274b927bfc3513538c750f

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:00

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General

Target

af9b011ed0c6c26da480748f9dfa0077.pdf
Size

34KB
MD5

af9b011ed0c6c26da480748f9dfa0077
SHA1

32407320cda481d203bc0a03eda3908252b0d940
SHA256

1ac4ca920976d8c3373c6f70bdd6aba5cb42a09a48274b927bfc3513538c750f
SHA512

2b6413b882540ddcaca1e15ccfc8599754412f30477958b15e0b2caed8be2632d69959b773ad848a026bcb5f1afe979345fad3c9cba7df602f766c025a7a6e30
SSDEEP

768:APMgxhLzJ8UTu8XgTXlxY2NZencmTLHZbJKAyaOC4n7oBoj:XgLlTtlYZicIVKN3C4Uoj

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1580	1920	AcroRd32.exe	94
PID 1920 wrote to memory of 1580	1920	AcroRd32.exe	94
PID 1920 wrote to memory of 1580	1920	AcroRd32.exe	94
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 2880	1580	RdrCEF.exe	95
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96
PID 1580 wrote to memory of 3928	1580	RdrCEF.exe	96

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\af9b011ed0c6c26da480748f9dfa0077.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F643096E6A356DA70C9B5C74057DD0F9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=31D6540266EA0CBC4AEAF8ADEFCD1068 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=31D6540266EA0CBC4AEAF8ADEFCD1068 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3928
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3E086AD264CCE443ED3544DC24811161 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=8DA3DEA3DAF84B018BE3969FD910563C --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F7328D620762F77F58FC73E0B147C23D --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=462BA11DDC53BE96E34BDBBD4537782B --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=462BA11DDC53BE96E34BDBBD4537782B --renderer-client-id=7 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
be6356221af8a560297531901ce0da28

SHA1
26e44ca678ee128db51ee4bc157eaf615c906288

SHA256
78c11fee0be6cd1ab75188f8d8d4fa82bc0764f7cb741050ab2d591c0f4635e2

SHA512
1cb05f3edd82988e385ab7578fa0fc72223955a67ef19f7128ed934178d9a7c6612757b8a75eebdf8a905c76ce817f959e4c2f18762f0e1ae10d8cc8e438c236

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit